Intel Xeon E5 4640 vs Opteron 6276

VS

Intel Xeon E5-4640

AMD Opteron 6276

We compared two server CPUs: Intel Xeon E5 4640 with 8 cores 2.4GHz and Opteron 6276 with 16 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 4640 's Advantages

Released 6 months late

Newer PCIe version (3 vs 2)

Higher base frequency (2.4GHz vs 2.3GHz)

Larger L3 cache size (20MB vs 8MB)

Lower TDP (95W vs 115W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 4640 +89%

375

Opteron 6276

198

Geekbench 6 Multi Core

Intel Xeon E5 4640

658

Opteron 6276 +162%

1729

Intel Xeon E5 4640

VS

Opteron 6276

General Parameters

May 2012

Release Date

Nov 2011

Intel

Manufacturer

AMD

Server

Type

Server

Sandy Bridge-EP

Core Architecture

Interlagos

Intel Socket 2011

Socket

AMD Socket G34

N/A

Integrated Graphics

N/A

Xeon E5 (Sandy Bridge-EP)

Generation

Opteron (Interlagos)

Package

2.27 billions

Transistor Count

2.4 billions

32 nm

Manufacturing Process

32 nm

95 W

Power Consumption

115 W

Intel

Foundry

-

435 mm²

Die Size

316 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

2.3 GHz

2.8 GHz

Performance Core Turbo Frequency

3.2 GHz

8

Total Core Count

16

Total Thread Count

16

100 MHz

Bus Frequency

200 MHz

24.0

Multiplier

11.5

64 K per core

L1 Cache

768 K

256 K per core

L2 Cache

16 MB

20 MB shared

L3 Cache

8 MB per die

No

Unlocked Multiplier

No

4

SMP

4

Memory Parameters

DDR3

Memory Types

DDR3

4

Max Memory Channels

Yes

ECC Memory Support

No

Miscellaneous

3

PCIe Version

2

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